A Novel Personalized Strategy for Hip Joint Flexion Assistance Based on Human Physiological State
Abstract
:1. Introduction
2. Exosuit Hardware Setup
2.1. Design of The Proposed Soft Exosuit
2.2. Data Acquisition System
3. Different Assistance Strategies in Different Status Conditions
3.1. Hip Power-Assist Strategy
3.2. Fusion Control Strategy
4. Experimentation
4.1. Methods for Evaluating the Effectiveness of Human–Computer Interaction
4.2. Metabolic Consumption Experiment
4.2.1. Experimental Setup of the Treadmill Walking Tests
4.2.2. Metabolic Reduction by the Exosuit in Fixed-Speed Conditions
4.2.3. Metabolic Reduction by the Exosuit in Variable-Speed Conditions
5. Discussion
6. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
Abbreviations
HR | Heart rate |
SpO2 | Blood oxygen saturation |
IMU | Inertial Measurement Unit |
STM32 | STMicroelectronics 32-bit Series Microcontroller Chip |
PSMC | Physiological State Monitoring Control |
EMG | Electromyography |
PD | Proportional-derivative %TLA & Three-letter acronym % RMS & Root Mean Square |
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Part | Location | Mass (kg) |
---|---|---|
Batteries | Waist | 0.55 |
Actuator | Waist | 0.214 |
Raspberry pi | Waist | 0.106 |
MCU | Waist | 0.08 |
Waist belt | Waist | 0.30 |
IMU | Thigh | 0.024 |
Load cells | Thigh | 0.05 |
Wraps | Thigh | 0.22 |
O2Ring ring | Finger | 0.015 |
Subjects | Age (Years) | Gender | Height (cm) | Weight (kg) | Physiological State Test (Y/N) |
---|---|---|---|---|---|
A | 24 | Male | 170 | 75 | |
B | 25 | Male | 173 | 66 | |
C | 23 | Male | 175 | 70 | Y |
D | 25 | Male | 172 | 52 | |
E | 25 | Male | 176 | 65 | Y |
F | 26 | Male | 177 | 74 | |
G | 26 | Male | 165 | 58 | |
H | 27 | Male | 182 | 75 | Y |
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Wu, B.; Chen, C.; Wang, S.; Chen, H.; Wang, Z.; Liu, Y.; He, T.; Zhang, J.; Wu, X. A Novel Personalized Strategy for Hip Joint Flexion Assistance Based on Human Physiological State. Biosensors 2024, 14, 418. https://doi.org/10.3390/bios14090418
Wu B, Chen C, Wang S, Chen H, Wang Z, Liu Y, He T, Zhang J, Wu X. A Novel Personalized Strategy for Hip Joint Flexion Assistance Based on Human Physiological State. Biosensors. 2024; 14(9):418. https://doi.org/10.3390/bios14090418
Chicago/Turabian StyleWu, Beixian, Chunjie Chen, Sheng Wang, Hui Chen, Zhuo Wang, Yao Liu, Tingwei He, Jiale Zhang, and Xinyu Wu. 2024. "A Novel Personalized Strategy for Hip Joint Flexion Assistance Based on Human Physiological State" Biosensors 14, no. 9: 418. https://doi.org/10.3390/bios14090418